From f5276845cf933ff70227c64ef813b2b48fc88d0e Mon Sep 17 00:00:00 2001
From: Roman Fomin <rfomin@gmail.com>
Date: Thu, 11 May 2023 07:55:43 +0700
Subject: [PATCH] more accurate emulation of fread in memio

---
 src/memio.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/memio.c b/src/memio.c
index d29de949..87cd8fcb 100644
--- a/src/memio.c
+++ b/src/memio.c
@@ -68,6 +68,11 @@ size_t mem_fread(void *buf, size_t size, size_t nmemb, MEMFILE *stream)
 		return -1;
 	}
 
+	if (size == 0 || nmemb == 0)
+	{
+		return 0;
+	}
+
 	if (read_eof)
 	{
 		stream->eof = true;